The development of coda perception in second language phonology: A variationist perspective
Why this work is in the frame
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Bibliographic record
Abstract
Within a variationist approach for data collection and analysis, this study investigates the acquisition in perception of post-vocalic word-final stops (codas) by speakers of Brazilian Portuguese learning English as a foreign language in a classroom environment. Because codas are illicit in this variety of Portuguese, the hypothesis holds that learners will process this foreign structure as followed by an illusory epenthetic vowel, [i], a manifestation of ‘perceptual foreign accent’. In a forced-choice phone identification task, 51 participants listened to series of English pseudowords and then decided on whether each word ended in a consonant or in a vowel. The statistical results of the experiment indicate that codas are more likely to be perceived in the following cases: (1) in more advanced levels of proficiency, (2) in the context of segments that belong to the class of coronals [t d] and labials [p b], and (3) when the coda consonant is preceded by a lax vowel. The latter as well as the non-significant word size factor contradict the results established in the investigation of the production of this syllabic constituent. To some extent, the results obtained show a correlation between speech perception and production, and support the view that perception precedes production in the development of second language codas.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.034 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it